This is known as double helix. Nucleotides each have three parts: phosphate, sugar molecule<span>, and one of four </span>bases<span>. The </span>bases<span> include: A, (adenine), g (guanine), t (thymine), c (cytosine). ... </span>Explain why complementary base pairing is necessary to maintain the double helix shape of the DNA molecule<span>.</span>
Variation: When one of that species develops another trait or skill that the others do not have.
Adaptation: When a species changes in order to survive a certain place or survive a predator
Answer: C. building cars that can better withstand collisions
Explanation:
we all find ourselves confronted with the age-old question:
what happens when you fall into a black hole?
You might expect to get crushed, or maybe torn to pieces. But the reality is stranger than that.
The instant you entered the black hole, reality would split in two. In one, you would be instantly incinerated, and in the other you would plunge on into the black hole utterly unharmed.
Hope this helps you.. Good Luck